Public bug reported:
All kernels of 6.x looks to be missing some port of the bug fix from
5.19
before and including kernel 5.15 there was a bug that after locking the
screen and logging back audio via HDMI was disappearing. Later the bug
was fixed and definitely not present in 5.19
However, this bug is present in 6.x kernels included in Lunar and Mantic
as well as in 6.5.7-060507.202310102154
Currently I rolled back to 5.19 to confirm that this issue is fixed in
this kernel.
```
cat /proc/version_signature > version.log
cat: /proc/version_signature: No such file or directory
```
```
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 23.10
Release: 23.10
```
```
$ dpkg -l | grep linux-image
ii linux-image-6.5.0-9-generic 6.5.0-9.9
amd64 Signed kernel image generic
pi linux-image-generic 6.5.0.9.11
amd64 Generic Linux kernel image
pi linux-image-generic-hwe-22.04 6.5.0.9.11
amd64 Generic Linux kernel image
ii linux-image-unsigned-5.19.17-051917-generic 5.19.17-051917.202210240939
amd64 Linux kernel image for version 5.19.17 on 64 bit x86 SMP
ii linux-image-unsigned-6.5.7-060507-generic 6.5.7-060507.202310102154
amd64 Linux kernel image for version 6.5.7 on 64 bit x86 SMP
```
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "uname-a.log"
https://bugs.launchpad.net/bugs/2039882/+attachment/5711420/+files/uname-a.log
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2039882
Title:
Kernels 6.x have a regression for Audio via HDMI
Status in linux package in Ubuntu:
New
Bug description:
All kernels of 6.x looks to be missing some port of the bug fix from
5.19
before and including kernel 5.15 there was a bug that after locking
the screen and logging back audio via HDMI was disappearing. Later the
bug was fixed and definitely not present in 5.19
However, this bug is present in 6.x kernels included in Lunar and
Mantic as well as in 6.5.7-060507.202310102154
Currently I rolled back to 5.19 to confirm that this issue is fixed in
this kernel.
```
cat /proc/version_signature > version.log
cat: /proc/version_signature: No such file or directory
```
```
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 23.10
Release: 23.10
```
```
$ dpkg -l | grep linux-image
ii linux-image-6.5.0-9-generic 6.5.0-9.9
amd64 Signed kernel image generic
pi linux-image-generic 6.5.0.9.11
amd64 Generic Linux kernel image
pi linux-image-generic-hwe-22.04 6.5.0.9.11
amd64 Generic Linux kernel image
ii linux-image-unsigned-5.19.17-051917-generic 5.19.17-051917.202210240939
amd64 Linux kernel image for version 5.19.17 on 64 bit x86
SMP
ii linux-image-unsigned-6.5.7-060507-generic 6.5.7-060507.202310102154
amd64 Linux kernel image for version 6.5.7 on 64 bit x86 SMP
```
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